64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
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#ifndef NULLSOFT_CDDB_EVENT_MANAGER_HEADER
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#define NULLSOFT_CDDB_EVENT_MANAGER_HEADER
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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#pragma once
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#endif
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#include <windows.h>
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// callbacks
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typedef void (CALLBACK *CDDB_CMDCOMPLETED)(LONG /*lCommandCode*/, HRESULT /*hCommandResult*/, VARIANT* /*pCommandData*/, ULONG_PTR /*user*/);
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typedef void (CALLBACK *CDDB_LOGMSG)(BSTR /*bstrMessage*/, ULONG_PTR /*user*/);
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typedef void (CALLBACK *CDDB_SRVMSG)(LONG /*lMessageCode*/, LONG /*lMessageAction*/, BSTR /*bstrMessageData*/, ULONG_PTR /*user*/);
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typedef void (CALLBACK *CDDB_CMDPROGRESS)(LONG /*lCommandCode*/, LONG /*lProgressCode*/, LONG /*lBytesDone*/, LONG /*lBytesTotal*/, ULONG_PTR /*user*/);
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// callback types
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#define CDDB_CB_CMDCOMPLETED 0
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#define CDDB_CB_CMDPROGRESS 1
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#define CDDB_CB_LOGMSG 2
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#define CDDB_CB_SRVMSG 3
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class CDBBEventManager : public IDispatch
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{
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public:
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CDBBEventManager(void);
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virtual ~CDBBEventManager(void);
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public:
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// *** IUnknown Methods ***
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STDMETHOD(QueryInterface)(REFIID riid, PVOID *ppvObject);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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// *** IDispatch Methods ***
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STDMETHOD (GetIDsOfNames)(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid);
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STDMETHOD (GetTypeInfo)(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo);
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STDMETHOD (GetTypeInfoCount)(unsigned int FAR * pctinfo);
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STDMETHOD (Invoke)(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr);
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protected:
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void OnCommandCompleted(LONG lCommandCode, HRESULT hCommandResult, VARIANT *pCommandData);
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void OnLogMessage(BSTR bstrMessage);
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void OnServerMessage(LONG lMessageCode, LONG lMessageAction, BSTR bstrMessageData);
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void OnCommandProgress(LONG lCommandCode, LONG lProgressCode, LONG lBytesDone, LONG lBytesTotal);
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public:
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HRESULT Advise(IUnknown *pCDDBCtrl);
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HRESULT Unadvise(IUnknown *pCDDBCtrl);
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HRESULT RegisterCallback(UINT nType, void *fnCallback);
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ULONG_PTR SetUserParam(ULONG_PTR userParam);
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protected:
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LONG ref;
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DWORD cookie;
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ULONG_PTR user;
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CDDB_CMDCOMPLETED fnCmdCompleted;
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CDDB_CMDPROGRESS fnCmdProgress;
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CDDB_LOGMSG fnLogMessage;
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CDDB_SRVMSG fnServerMessage;
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};
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#endif //NULLSOFT_CDDB_EVENT_MANAGER_HEADER
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